ArticleCell death & disease2021
SCA-1 micro-heterogeneity in the fate decision of dystrophic fibro/adipogenic progenitors.
Article in Cell death & disease, 2021. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 27 papers.
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Who cites it
27 citing papers in PubMed, 39 citations in OpenAlex.
- Single-Nucleus Atlas of Spinal Sarcopenia Patients Reveals Disruption of Quiescent and Regenerative Satellite Cell Niches in Fatty-Infiltrated Muscle.Advanced science (Weinheim, Baden-Wurttemberg, Germany) · 2026Article
- FAP-derived CCL2 is required for adequate monocyte/macrophage infiltration to support acute skeletal muscle injury repair.iScience · 2026Article
- Stimulation of EGFR signaling in fibro-adipogenic precursors decreases adipogenesis in Duchenne muscular dystrophy.Skeletal muscle · 2026Article
- Cellular and molecular mechanisms of fatty infiltration in paraspinal muscles in spine-specific sarcopenia.Zhong nan da xue xue bao. Yi xue ban = Journal of Central South University. Medical sciences · 2026Review
- Platelet-rich plasma-derived exosomes establishing a muscular proregenerative microenvironment through enhancing the viability of fibro-adipogenic progenitors.Experimental & molecular medicine · 2025Article
- Unravelling the Role of PIEZO1 in Adipogenesis of Fibrogenic/Adipogenic Progenitors for Muscle Fat Infiltration After Rotator Cuff Tear.Journal of cachexia, sarcopenia and muscle · 2025Article
- PdgfrαGenes & diseases · 2025Review
- Limb connective tissue is organized in a continuum of promiscuous fibroblast identities during development.iScience · 2024Article
- miR-27b-3p reduces muscle fibrosis during chronic skeletal muscle injury by targeting TGF-βR1/Smad pathway.Journal of orthopaedic surgery and research · 2024Article
- Fibro-adipogenic progenitors in physiological adipogenesis and intermuscular adipose tissue remodeling.Molecular aspects of medicine · 2024Review
- Lineage tracing reveals a novel PDGFRβScientific reports · 2024Article
- Utilization of the Rat Tibial Nerve Transection Model to Evaluate Cellular and Molecular Mechanisms Underpinning Denervation-Mediated Muscle Injury.International journal of molecular sciences · 2024Article
- MuSCs and IPCs: roles in skeletal muscle homeostasis, aging and injury.Cellular and molecular life sciences : CMLS · 2024Review
- Article
- Cellular interactions and microenvironment dynamics in skeletal muscle regeneration and disease.Frontiers in cell and developmental biology · 2024Review
- CRIPTO-based micro-heterogeneity of mouse muscle satellite cells enables adaptive response to regenerative microenvironment.Developmental cell · 2023Article
- Possible Mechanisms Linking Obesity, Steroidogenesis, and Skeletal Muscle Dysfunction.Life (Basel, Switzerland) · 2023Review
- Diverse effector and regulatory functions of fibro/adipogenic progenitors during skeletal muscle fibrosis in muscular dystrophy.iScience · 2023Article
- Adipose tissue is a source of regenerative cells that augment the repair of skeletal muscle after injury.Nature communications · 2023Article
- Identification of distinct non-myogenic skeletal-muscle-resident mesenchymal cell populations.Cell reports · 2022Article
Corrections and comments
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Authors and funding
13 authors at 2 institutions in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
The term micro-heterogeneity refers to non-genetic cell to cell variability observed in a bell-shaped distribution of the expression of a trait within a population. The contribution of micro-heterogeneity to physiology and pathology remains largely uncharacterised. To address such an issue, we investigated the impact of heterogeneity in skeletal muscle fibro/adipogenic progenitors (FAPs) isolated from an animal model of Duchenne muscular dystrophy (DMD), the mdx mouse. FAPs play an essential role in muscle homoeostasis. However, in pathological conditions or ageing, they are the source of intramuscular infiltrations of fibrotic or adipose tissue. By applying a multiplex flow cytometry assay, we characterised and purified from mdx muscles two FAP cell states expressing different levels of SCA-1. The two cell states are morphologically identical and repopulate each other after several growth cycles. However, they differ in their in vitro behaviour. Cells expressing higher levels of SCA-1 (SCA1-High-FAPs) differentiate more readily into adipocytes while, when exposed to a fibrogenic stimulation, increase the expression of Col1a1 and Timp1 mRNA. A transcriptomic analysis confirmed the adipogenic propensity of SCA1-High-FAPs. In addition, SCA1-High-FAPs proliferate more extensively ex vivo and display more proliferating cells in dystrophic muscles in comparison to SCA1-Low-FAPs. Adipogenesis of both FAP cell states is inhibited in vitro by leucocytes from young dystrophic mice, while leucocytes isolated from aged dystrophic mice are less effective in limiting the adipogenesis of SCA1-High-FAPs suggesting a differential regulatory effect of the microenvironment on micro-heterogeneity. Our data suggest that FAP micro-heterogeneity is modulated in pathological conditions and that this heterogeneity in turn may impact on the behaviour of interstitial mesenchymal cells in genetic diseases.
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